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                        二.CSS
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                        伪类选择器
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                        属性选择器
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                        伪元素选择器
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                        文本描述
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                        文字阴影
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                        字体嵌入
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                        CSS颜色
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                            <b>2.3.</b>
                        
                        第三节课
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                            <b>2.3.1.</b>
                        
                        border边框
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                        background背景
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                            <b>2.4.</b>
                        
                        第四节课
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                            <b>2.4.1.</b>
                        
                        文字溢出
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                            <b>2.4.2.</b>
                        
                        word-break
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                        文字对齐方式
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                            <b>2.5.</b>
                        
                        第五节课
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                            <b>2.5.1.</b>
                        
                        定位
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                        z-index
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                            <b>2.6.</b>
                        
                        第六节课
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                            <b>2.7.</b>
                        
                        第七节课
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                        git安装使用
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                        SASS安装使用
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                            <b>2.8.</b>
                        
                        第八节课
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                            <b>2.8.1.</b>
                        
                        css3 过渡（transition）
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                            <b>2.8.2.</b>
                        
                        css3 变换（transform）
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                            <b>2.9.</b>
                        
                        第九节课
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                            <b>2.10.</b>
                        
                        第十节课
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                            <b>2.10.1.</b>
                        
                        滤镜
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                            <b>3.</b>
                        
                        三.项目期间
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                            <b>3.1.</b>
                        
                        鲁班项目(第一天)
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                            <b>3.1.1.</b>
                        
                        鲁班项目(第二天)
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                            <b>3.1.2.</b>
                        
                        鲁班项目(第三天)
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                            <b>3.1.3.</b>
                        
                        鲁班项目(第四天)
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                        mobile项目入手
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                        上交测试版
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<blockquote>
<p>&#x63A7;&#x5236;&#x6587;&#x672C;&#x7684;&#x5B57;&#x4F53;&#x989C;&#x8272;</p>
</blockquote>
<pre><code>&#x8BF4;&#x660E;&#xFF1A;
&#x68C0;&#x7D22;&#x6216;&#x8BBE;&#x7F6E;&#x5BF9;&#x8C61;&#x7684;&#x6587;&#x672C;&#x989C;&#x8272;&#x3002;&#x65E0;&#x9ED8;&#x8BA4;&#x503C;
&#x53EF;&#x4EE5;&#x4F7F;&#x7528;Color Name(&#x989C;&#x8272;&#x540D;&#x79F0;), HEX, RGB, RGBA, HSL, HSLA, transparent&#x6765;&#x6307;&#x5B9A;color&#x3002;
&#x6CE8;&#x610F;&#xFF0C;&#x7528;&#x989C;&#x8272;&#x540D;&#x79F0;&#x6307;&#x5B9A;color&#x53EF;&#x80FD;&#x4E0D;&#x88AB;&#x4E00;&#x4E9B;&#x6D4F;&#x89C8;&#x5668;&#x63A5;&#x53D7;&#x3002;RGAB&#x652F;&#x6301;&#x900F;&#x660E;&#x5EA6;&#x3002;

color&#x5C5E;&#x6027;&#x503C;&#x88AB;&#x95F4;&#x63A5;&#x7528;&#x6765;&#x63D0;&#x4F9B;&#x4E00;&#x4E2A;&#x4E2D;&#x95F4;&#x503C; currentColor &#x4EE5;&#x4F9B;&#x5176;&#x4ED6;&#x63A5;&#x53D7;&#x989C;&#x8272;&#x503C;&#x7684;&#x5C5E;&#x6027;&#x4F7F;&#x7528;&#x3002;
</code></pre><pre><code class="lang-html">&#x793A;&#x4F8B;&#xFF1A;

    div {
        border: 10px solid;
        color: red;
    }

&#x5982;&#x4E0A;&#x4EE3;&#x7801;&#xFF0C;&#x6CA1;&#x6709;&#x5B9A;&#x4E49;&#x8FB9;&#x6846;&#x7684;&#x989C;&#x8272;&#xFF0C;&#x4F46;&#x5B9A;&#x4E49;&#x4E86;color&#x7684;&#x989C;&#x8272;&#x4E3A;red&#xFF0C;&#x90A3;&#x4E48;&#x8FD9;&#x65F6;red&#x5C06;&#x4F1A;&#x4F5C;&#x4E3A;&#x4E00;&#x4E2A;&#x95F4;&#x63A5;&#x503C; currentColor &#x63D0;&#x4F9B;&#x7ED9;&#x8FB9;&#x6846;&#x989C;&#x8272;&#x5C5E;&#x6027;&#xFF0C;&#x6240;&#x4EE5;&#x6700;&#x7EC8;&#x8FB9;&#x6846;&#x8272;&#x4E5F;&#x4E3A;red&#x3002;
</code></pre>
<blockquote>
<p>&#x517C;&#x5BB9;&#x6027;&#xFF1A;RGBA, HSL, HSLA,transparent&#x53EA;&#x652F;&#x6301;IE9.0&#x7248;&#x672C;&#x4EE5;&#x4E0A;&#xFF0C;&#x5176;&#x4ED6;&#x6D4F;&#x89C8;&#x5668;&#x57FA;&#x672C;&#x652F;&#x6301;&#x3002;</p>
</blockquote>
<pre><code class="lang-html"><span class="hljs-doctype">&lt;!DOCTYPE html&gt;</span>
<span class="hljs-tag">&lt;<span class="hljs-title">html</span>&gt;</span>
    <span class="hljs-tag">&lt;<span class="hljs-title">head</span>&gt;</span>
        <span class="hljs-tag">&lt;<span class="hljs-title">meta</span> <span class="hljs-attribute">charset</span>=<span class="hljs-value">&quot;utf-8&quot;</span> /&gt;</span>
        <span class="hljs-tag">&lt;<span class="hljs-title">style</span>&gt;</span><span class="css">
            <span class="hljs-class">.colorname</span> <span class="hljs-tag">p</span><span class="hljs-rules">{<span class="hljs-rule"><span class="hljs-attribute">color</span>:<span class="hljs-value">green</span></span>;}</span>
            <span class="hljs-class">.hex</span> <span class="hljs-tag">p</span><span class="hljs-rules">{<span class="hljs-rule"><span class="hljs-attribute">color</span>:<span class="hljs-value"><span class="hljs-hexcolor">#ff0000</span></span></span>;}</span>
            <span class="hljs-class">.rgb</span> <span class="hljs-tag">p</span><span class="hljs-rules">{<span class="hljs-rule"><span class="hljs-attribute">color</span>:<span class="hljs-value"><span class="hljs-function">rgb</span>(<span class="hljs-number">0</span>,<span class="hljs-number">0</span>,<span class="hljs-number">0</span>)</span></span>;}</span>
            <span class="hljs-class">.rgba</span> <span class="hljs-tag">p</span><span class="hljs-rules">{<span class="hljs-rule"><span class="hljs-attribute">color</span>:<span class="hljs-value"><span class="hljs-function">rgba</span>(<span class="hljs-number">0</span>,<span class="hljs-number">0</span>,<span class="hljs-number">0</span>,.<span class="hljs-number">5</span>)</span></span>;}</span>
            <span class="hljs-class">.hsl</span> <span class="hljs-tag">p</span><span class="hljs-rules">{<span class="hljs-rule"><span class="hljs-attribute">color</span>:<span class="hljs-value"><span class="hljs-function">hsl</span>(<span class="hljs-number">240</span>,<span class="hljs-number">50%</span>,<span class="hljs-number">50%</span>)</span></span>;}</span>
            <span class="hljs-class">.hsla</span> <span class="hljs-tag">p</span><span class="hljs-rules">{<span class="hljs-rule"><span class="hljs-attribute">color</span>:<span class="hljs-value"><span class="hljs-function">hsla</span>(<span class="hljs-number">240</span>,<span class="hljs-number">50%</span>,<span class="hljs-number">50%</span>,.<span class="hljs-number">5</span>)</span></span>;}</span>
            <span class="hljs-class">.transparent</span> <span class="hljs-tag">p</span><span class="hljs-rules">{<span class="hljs-rule"><span class="hljs-attribute">color</span>:<span class="hljs-value">transparent</span></span>;}</span>
        </span><span class="hljs-tag">&lt;/<span class="hljs-title">style</span>&gt;</span>
    <span class="hljs-tag">&lt;/<span class="hljs-title">head</span>&gt;</span>
    <span class="hljs-tag">&lt;<span class="hljs-title">body</span>&gt;</span>
    <span class="hljs-tag">&lt;<span class="hljs-title">ul</span> <span class="hljs-attribute">class</span>=<span class="hljs-value">&quot;test&quot;</span>&gt;</span>
        <span class="hljs-tag">&lt;<span class="hljs-title">li</span> <span class="hljs-attribute">class</span>=<span class="hljs-value">&quot;colorname&quot;</span>&gt;</span>
            <span class="hljs-tag">&lt;<span class="hljs-title">strong</span>&gt;</span>Color Name(&#x7528;&#x989C;&#x8272;&#x540D;&#x79F0;&#x8868;&#x793A;&#x6CD5;)<span class="hljs-tag">&lt;/<span class="hljs-title">strong</span>&gt;</span>
            <span class="hljs-tag">&lt;<span class="hljs-title">p</span>&gt;</span>&#x770B;&#x770B;&#x6211;&#x7684;&#x989C;&#x8272;&#x3000;{color:green;}<span class="hljs-tag">&lt;/<span class="hljs-title">p</span>&gt;</span>
        <span class="hljs-tag">&lt;/<span class="hljs-title">li</span>&gt;</span>
        <span class="hljs-tag">&lt;<span class="hljs-title">li</span> <span class="hljs-attribute">class</span>=<span class="hljs-value">&quot;hex&quot;</span>&gt;</span>
            <span class="hljs-tag">&lt;<span class="hljs-title">strong</span>&gt;</span>HEX(&#x5341;&#x516D;&#x8FDB;&#x5236;&#x6570;&#x503C;&#x8868;&#x793A;&#x6CD5;)<span class="hljs-tag">&lt;/<span class="hljs-title">strong</span>&gt;</span>
            <span class="hljs-tag">&lt;<span class="hljs-title">p</span>&gt;</span>&#x770B;&#x770B;&#x6211;&#x7684;&#x989C;&#x8272;&#x3000;{color:#ff0000;}<span class="hljs-tag">&lt;/<span class="hljs-title">p</span>&gt;</span>
        <span class="hljs-tag">&lt;/<span class="hljs-title">li</span>&gt;</span>
        <span class="hljs-tag">&lt;<span class="hljs-title">li</span> <span class="hljs-attribute">class</span>=<span class="hljs-value">&quot;rgb&quot;</span>&gt;</span>
            <span class="hljs-tag">&lt;<span class="hljs-title">strong</span>&gt;</span>RGB<span class="hljs-tag">&lt;/<span class="hljs-title">strong</span>&gt;</span>
            <span class="hljs-tag">&lt;<span class="hljs-title">p</span>&gt;</span>&#x770B;&#x770B;&#x6211;&#x7684;&#x989C;&#x8272;&#x3000;{color:rgb(0,0,0);}<span class="hljs-tag">&lt;/<span class="hljs-title">p</span>&gt;</span>
        <span class="hljs-tag">&lt;/<span class="hljs-title">li</span>&gt;</span>
        <span class="hljs-tag">&lt;<span class="hljs-title">li</span> <span class="hljs-attribute">class</span>=<span class="hljs-value">&quot;rgba&quot;</span>&gt;</span>
            <span class="hljs-tag">&lt;<span class="hljs-title">strong</span>&gt;</span>RGBA<span class="hljs-tag">&lt;/<span class="hljs-title">strong</span>&gt;</span> - IE8&#x53CA;&#x4EE5;&#x4E0B;&#x6D4F;&#x89C8;&#x5668;&#x4E0D;&#x652F;&#x6301;&#x8FD9;&#x79CD;&#x5199;&#x6CD5;
            <span class="hljs-tag">&lt;<span class="hljs-title">p</span>&gt;</span>&#x770B;&#x770B;&#x6211;&#x7684;&#x989C;&#x8272;&#x3000;{color:rgba(0,0,0,.5);}<span class="hljs-tag">&lt;/<span class="hljs-title">p</span>&gt;</span>
        <span class="hljs-tag">&lt;/<span class="hljs-title">li</span>&gt;</span>
        <span class="hljs-tag">&lt;<span class="hljs-title">li</span> <span class="hljs-attribute">class</span>=<span class="hljs-value">&quot;hsl&quot;</span>&gt;</span>
            <span class="hljs-tag">&lt;<span class="hljs-title">strong</span>&gt;</span>HSL<span class="hljs-tag">&lt;/<span class="hljs-title">strong</span>&gt;</span> - IE8&#x53CA;&#x4EE5;&#x4E0B;&#x6D4F;&#x89C8;&#x5668;&#x4E0D;&#x652F;&#x6301;&#x8FD9;&#x79CD;&#x5199;&#x6CD5;
            <span class="hljs-tag">&lt;<span class="hljs-title">p</span>&gt;</span>&#x770B;&#x770B;&#x6211;&#x7684;&#x989C;&#x8272;&#x3000;{color:hsl(240,50%,50%);}<span class="hljs-tag">&lt;/<span class="hljs-title">p</span>&gt;</span>
        <span class="hljs-tag">&lt;/<span class="hljs-title">li</span>&gt;</span>
        <span class="hljs-tag">&lt;<span class="hljs-title">li</span> <span class="hljs-attribute">class</span>=<span class="hljs-value">&quot;hsla&quot;</span>&gt;</span>
            <span class="hljs-tag">&lt;<span class="hljs-title">strong</span>&gt;</span>HSLA<span class="hljs-tag">&lt;/<span class="hljs-title">strong</span>&gt;</span> - IE8&#x53CA;&#x4EE5;&#x4E0B;&#x6D4F;&#x89C8;&#x5668;&#x4E0D;&#x652F;&#x6301;&#x8FD9;&#x79CD;&#x5199;&#x6CD5;
            <span class="hljs-tag">&lt;<span class="hljs-title">p</span>&gt;</span>&#x770B;&#x770B;&#x6211;&#x7684;&#x989C;&#x8272;&#x3000;{color:hsla(240,50%,50%,.5);}<span class="hljs-tag">&lt;/<span class="hljs-title">p</span>&gt;</span>
        <span class="hljs-tag">&lt;/<span class="hljs-title">li</span>&gt;</span>
        <span class="hljs-tag">&lt;<span class="hljs-title">li</span> <span class="hljs-attribute">class</span>=<span class="hljs-value">&quot;transparent&quot;</span>&gt;</span>
            <span class="hljs-tag">&lt;<span class="hljs-title">strong</span>&gt;</span>transparent<span class="hljs-tag">&lt;/<span class="hljs-title">strong</span>&gt;</span> - IE8&#x53CA;&#x4EE5;&#x4E0B;&#x6D4F;&#x89C8;&#x5668;&#x5C06;&#x6587;&#x672C;&#x989C;&#x8272;&#x8BBE;&#x7F6E;&#x4E3A;transparent&#xFF0C;&#x6587;&#x672C;&#x5C06;&#x663E;&#x793A;&#x4E3A;&#x9ED1;&#x8272;
            <span class="hljs-tag">&lt;<span class="hljs-title">p</span>&gt;</span>&#x770B;&#x770B;&#x6211;&#x7684;&#x989C;&#x8272;&#x3000;{color:transparent;}<span class="hljs-tag">&lt;/<span class="hljs-title">p</span>&gt;</span>
        <span class="hljs-tag">&lt;/<span class="hljs-title">li</span>&gt;</span>
    <span class="hljs-tag">&lt;/<span class="hljs-title">ul</span>&gt;</span>
    <span class="hljs-tag">&lt;/<span class="hljs-title">body</span>&gt;</span>
<span class="hljs-tag">&lt;/<span class="hljs-title">html</span>&gt;</span>
</code></pre>
<h3 id="css-&#x989C;&#x8272;">CSS &#x989C;&#x8272;</h3>
<blockquote>
<p>&#x989C;&#x8272;&#x662F;&#x901A;&#x8FC7;&#x5BF9;&#x7EA2;&#x3001;&#x7EFF;&#x548C;&#x84DD;&#x5149;&#x7684;&#x7EC4;&#x5408;&#x6765;&#x663E;&#x793A;&#x7684;&#x3002;</p>
</blockquote>
<pre><code>&#x989C;&#x8272;
CSS &#x989C;&#x8272;&#x4F7F;&#x7528;&#x7EC4;&#x5408;&#x4E86;&#x7EA2;&#x7EFF;&#x84DD;&#x989C;&#x8272;&#x503C; (RGB) &#x7684;&#x5341;&#x516D;&#x8FDB;&#x5236; (hex) &#x8868;&#x793A;&#x6CD5;&#x8FDB;&#x884C;&#x5B9A;&#x4E49;&#x3002;
&#x5BF9;&#x5149;&#x6E90;&#x8FDB;&#x884C;&#x8BBE;&#x7F6E;&#x7684;&#x6700;&#x4F4E;&#x503C;&#x53EF;&#x4EE5;&#x662F; 0&#xFF08;&#x5341;&#x516D;&#x8FDB;&#x5236; 00&#xFF09;&#x3002;&#x6700;&#x9AD8;&#x503C;&#x662F; 255&#xFF08;&#x5341;&#x516D;&#x8FDB;&#x5236; FF&#xFF09;&#x3002;
&#x5341;&#x516D;&#x8FDB;&#x5236;&#x503C;&#x4F7F;&#x7528;&#x4E09;&#x4E2A;&#x53CC;&#x4F4D;&#x6570;&#x6765;&#x7F16;&#x5199;&#xFF0C;&#x5E76;&#x4EE5; # &#x7B26;&#x53F7;&#x5F00;&#x5934;
</code></pre><table>
<thead>
<tr>
<th style="text-align:left">&#x989C;&#x8272;</th>
<th style="text-align:left">&#x989C;&#x8272; HEX</th>
<th style="text-align:left">&#x989C;&#x8272; RGB</th>
</tr>
</thead>
<tbody>
<tr>
<td style="text-align:left">&#x9ED1;&#x8272;</td>
<td style="text-align:left">#000000</td>
<td style="text-align:left">rgb(0,0,0)</td>
</tr>
<tr>
<td style="text-align:left">&#x7EA2;&#x8272;</td>
<td style="text-align:left">#FF0000</td>
<td style="text-align:left">rgb(255,0,0)</td>
</tr>
<tr>
<td style="text-align:left">&#x7EFF;&#x8272;</td>
<td style="text-align:left">#00FF00</td>
<td style="text-align:left">rgb(0,255,0)</td>
</tr>
<tr>
<td style="text-align:left">&#x84DD;&#x8272;</td>
<td style="text-align:left">#0000FF</td>
<td style="text-align:left">rgb(0,0,255)</td>
</tr>
<tr>
<td style="text-align:left">&#x9EC4;&#x8272;</td>
<td style="text-align:left">#FFFF00</td>
<td style="text-align:left">rgb(255,255,0)</td>
</tr>
<tr>
<td style="text-align:left">&#x6D45;&#x84DD;</td>
<td style="text-align:left">#00FFFF</td>
<td style="text-align:left">rgb(0,255,255)</td>
</tr>
<tr>
<td style="text-align:left">&#x7D2B;&#x8272;</td>
<td style="text-align:left">#FF00FF</td>
<td style="text-align:left">rgb(255,0,255)</td>
</tr>
<tr>
<td style="text-align:left">&#x7070;&#x8272;</td>
<td style="text-align:left">#C0C0C0</td>
<td style="text-align:left">rgb(192,192,192)</td>
</tr>
<tr>
<td style="text-align:left">&#x767D;&#x8272;</td>
<td style="text-align:left">#FFFFFF</td>
<td style="text-align:left">rgb(255,255,255)</td>
</tr>
</tbody>
</table>
<p>&#x2026;&#x2026;&#x2026;&#x2026;</p>

                    
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